98 lines
3.0 KiB
V
98 lines
3.0 KiB
V
import os
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import term
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import benchmark
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import v.ast
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import v.fmt
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import v.parser
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import v.table
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import v.pref
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import v.util
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import v.util.vtest
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const (
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error_missing_vexe = 1
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error_failed_tests = 2
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b2v_keep_path = os.join_path('vlib', 'v', 'fmt', 'tests', 'bin2v_keep.vv')
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fpref = &pref.Preferences{
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is_fmt: true
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}
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)
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fn test_fmt() {
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fmt_message := 'checking that v fmt keeps already formatted files *unchanged*'
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eprintln(term.header(fmt_message, '-'))
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vexe := os.getenv('VEXE')
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if vexe.len == 0 || !os.exists(vexe) {
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eprintln('VEXE must be set')
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exit(error_missing_vexe)
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}
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vroot := os.dir(vexe)
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os.chdir(vroot)
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basepath := os.join_path(vroot, '')
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tmpfolder := os.temp_dir()
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diff_cmd := util.find_working_diff_command() or { '' }
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mut fmt_bench := benchmark.new_benchmark()
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fill_bin2v_keep() or { eprintln('failed creating vbin2v_keep.vv: $err') }
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keep_input_files := os.walk_ext('vlib/v/fmt/tests', '_keep.vv')
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expected_input_files := os.walk_ext('vlib/v/fmt/tests', '_expected.vv')
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mut input_files := []string{}
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input_files << keep_input_files
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input_files << expected_input_files
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input_files = vtest.filter_vtest_only(input_files, basepath: vroot)
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fmt_bench.set_total_expected_steps(input_files.len)
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for istep, ipath in input_files {
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fmt_bench.cstep = istep
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fmt_bench.step()
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ifilename := os.file_name(ipath)
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vrelpath := ipath.replace(basepath, '')
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opath := ipath
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expected_ocontent := os.read_file(opath) or {
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fmt_bench.fail()
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eprintln(fmt_bench.step_message_fail('cannot read from $vrelpath'))
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continue
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}
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table := table.new_table()
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file_ast := parser.parse_file(ipath, table, .parse_comments, fpref, &ast.Scope{
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parent: 0
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})
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result_ocontent := fmt.fmt(file_ast, table, fpref, false)
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if expected_ocontent != result_ocontent {
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fmt_bench.fail()
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eprintln(fmt_bench.step_message_fail('file $vrelpath after formatting, does not look as expected.'))
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if ipath.ends_with(b2v_keep_path) {
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continue
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}
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if diff_cmd == '' {
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eprintln('>> sorry, but no working "diff" CLI command can be found')
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continue
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}
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vfmt_result_file := os.join_path(tmpfolder, 'vfmt_run_over_$ifilename')
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os.write_file(vfmt_result_file, result_ocontent) or { panic(err.msg) }
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eprintln(util.color_compare_files(diff_cmd, opath, vfmt_result_file))
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continue
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}
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fmt_bench.ok()
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eprintln(fmt_bench.step_message_ok('$vrelpath'))
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}
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restore_bin2v_placeholder() or { eprintln('failed restoring vbin2v_keep.vv placeholder: $err') }
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fmt_bench.stop()
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eprintln(term.h_divider('-'))
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eprintln(fmt_bench.total_message(fmt_message))
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if fmt_bench.nfail > 0 {
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exit(error_failed_tests)
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}
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}
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fn fill_bin2v_keep() ? {
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img0 := os.join_path('tutorials', 'img', 'hello.png')
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img1 := os.join_path('tutorials', 'img', 'time.png')
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os.rm(b2v_keep_path) ?
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os.exec('v bin2v -w $b2v_keep_path $img0 $img1') ?
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}
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fn restore_bin2v_placeholder() ? {
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text := '// This is a placeholder file which will be filled with bin2v output before the test.
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// HINT: do NOT delete, move or rename this file!\n'
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os.write_file(b2v_keep_path, text) ?
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}
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